# is-gzip [![Build Status](https://travis-ci.org/kevva/is-gzip.svg?branch=master)](https://travis-ci.org/kevva/is-gzip) > Check if a Buffer/Uint8Array is a GZIP file ## Install ```sh $ npm install --save is-gzip ``` ## Usage ```js var isGzip = require('is-gzip'); var read = require('fs').readFileSync; isGzip(read('foo.tar.gz')); // => true ``` ## License [MIT License](http://en.wikipedia.org/wiki/MIT_License) © [Kevin Mårtensson](https://github.com/kevva)